Why Choose the ABB OTM63F4C21D400C Automatic Transfer Switch?
The ABB OTM63F4C21D400C is a compact and reliable automatic transfer switch (ATS) designed for automatic changeover between two power sources in low-voltage electrical distribution systems. As part of the advanced ABB Compact ATS series, it provides dependable power transfer for industrial, commercial and backup power applications requiring improved supply continuity.
This motor-operated automatic transfer switch features a self-supplied 21D controller with adjustable operating parameters and an open transition 1-0-2 switching operation. Its compact construction enables straightforward installation in distribution panels, generator systems and industrial control assemblies while providing reliable automatic source monitoring and transfer.
With a rated operational current of 63 A, a four-pole switching configuration and a 380–415 V AC operating voltage, the OTM63F4C21D400C is suitable for mains-to-generator transfer systems, commercial distribution boards and industrial power continuity applications.
Key Advantages
- Compact automatic transfer switch designed for power continuity applications.
- 63 A rated operational current suitable for industrial and commercial installations.
- 4-pole switching configuration including switched neutral capability.
- Integrated 21D automatic controller with adjustable operating parameters.
- Motor-operated changeover functionality for reliable source transfer.
- Flexible installation with panel and distribution board mounting options.
Key Features
- ABB Compact ATS series.
- 63 A rated operational current.
- 4-pole automatic transfer switching.
- 380–415 V AC motor operating voltage.
- Self-supplied 21D controller.
- Open transition 1-0-2 switching operation.
- Integrated motor drive for automatic transfer.
- Direct-mounted handle for manual operation capability.
Reliable Automatic Power Transfer for Critical Systems
Automatic transfer switches such as the ABB OTM63F4C21D400C monitor available power sources and automatically transfer connected loads when the primary supply fails or backup power becomes available. This helps improve electrical system resilience and reduce downtime in essential installations.
The ABB Compact ATS range is designed for electrical engineers, panel builders and facility operators requiring compact and dependable automatic changeover solutions. Its integrated controller, motor mechanism and adjustable operating parameters support reliable operation in modern power distribution systems.
Typical Applications
- Automatic mains and standby generator transfer systems.
- Commercial distribution boards and switchboards.
- Industrial control panels.
- Backup power and emergency supply systems.
- Manufacturing and process equipment.
- Electrical distribution and power continuity systems.
